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| Number | Title | Issue Date |
| 8148834 | Aircraft engine starting/generating system and method of control A starting and generating system for use with an aircraft engine includes a starter/generator and an inverter/converter/controller (ICC) coupled to the starter/generator. The starter/generator is configured to start the aircraft engine in a start mode and to generat... | 04/03/2012 |
| 8097968 | Position-controlled start from the AC line using a synchronous machine A synchronous electric machine operates as a starter-generator for an aircraft. When operating in a starting mode, a main stator of the machine is supplied with electrical power at a constant frequency. An exciter stator is supplied with variable frequency power. As... | 01/17/2012 |
| 8030788 | Method and systems for an engine starter/generator A method and system for an engine starter/generator is provided. The starter/generator system includes a three phase squirrel cage induction machine, a three phase inverter/converter electrically coupled to the three phase squirrel cage induction machine. The starte... | 10/04/2011 |
| 7898098 | Asymmetric hydraulic press electric generator An asymmetric hydraulic press electric generator that converts mechanical energy to electrical energy using hydraulic pressure. The generator employs the principle that force acting on a small area can create a much larger force by virtue of hydrostatic pressure and... | 03/01/2011 |
| 7847423 | Backup power system A backup power system is connected in parallel to a load, which is powered via a power line connecting that load to a main power source, such as a utility. The backup system includes a generator/condenser unit that is coupled to a flywheel unit to maintain the flywh... | 12/07/2010 |
| 7821145 | Aircraft engine starter/generator and controller An aircraft starting and generating system includes a starter/generator that includes a main machine, an exciter, and a permanent magnet generator. The system also includes an inverter/converter/controller that is connected to the starter/generator and that generate... | 10/26/2010 |
| 7541685 | Vehicle-mounted alternator The stator of the vehicle-mounted alternator includes a stator core formed with a plurality of slots located along a circumferential direction thereof, and first and second multi-phase windings wound in the slots, the first and second multi-phase windings being spac... | 06/02/2009 |
| 7514806 | Engine start system with quadrature AC excitation A starter-generator system may be used to supply sufficient starting torque to start an aircraft main engine. The main starter-generator stator winding may be connected to a constant frequency (CF) power source to create a rotating field in the main starter-generato... | 04/07/2009 |
| 7508086 | Aircraft engine starter/generator and controller An aircraft starting and generating system includes a starter/generator that includes a main machine, an exciter, and a permanent magnet generator. The system also includes an inverter/converter/controller that is connected to the starter/generator and that generate... | 03/24/2009 |
| 7471002 | Voltage controller of alternator for vehicle A voltage controller has an integrated control circuit having a plurality of lead wires, a plurality of connecting terminals, and a terminal holding body holding the terminals such that a portion of each terminal is protruded from a surface of the body so as to be c... | 12/30/2008 |
| 7425769 | Engine start method of vehicle having starter motor and ISG An engine start method of a vehicle having starter and ISG considers the temperature of an engine coolant and the voltage of a battery. The objective start rpm of the starter is raised and the objective start rpm of the ISG is lowered as the engine temperature is lo... | 09/16/2008 |
| 7414326 | Regulator system for alternator An improved regulator system is disclosed for controlling a field winding of an alternator to regulate the charging of a battery. The improved regulator system comprises an internal regulator mounted onto the alternator. The internal regulator has an internal regula... | 08/19/2008 |
| 7402916 | Method of controlling a reversible, polyphase rotary electrical machine for a motor vehicle having a heat engine The method of controlling a reversible, polyphase rotary electrical machine called an alternator-starter, for a motor vehicle with a heat engine, the machine being adapted to work either as an electric generator—in an alternator mode—or as an electric motor, in ... | 07/22/2008 |
| 7400056 | Engine starter-generator optimized for start function A starter-generator system is configured to supply power to an aircraft electrical bus having a rated AC voltage magnitude, or receive power from a start converter, and includes a rotor and a stator. The stator is disposed at least partially around at least a portio... | 07/15/2008 |
| 7400053 | Starter-generator A vehicle includes a starter-generator. According to some embodiments, one of at least two operator activated input mechanisms may be selected for starting the starter-generator. According to some methods of operation, the starter-generator can be used to pre-set pi... | 07/15/2008 |
| 7389837 | Electric power control system for a hybrid vehicle A vehicle powertrain control system including an electric motor drive system, a first battery coupled to the electric motor drive system, an electronically controlled switched coupled to the first battery, a second battery coupled to the electronically controlled sw... | 06/24/2008 |
| 7388300 | Starter-generator operable with multiple variable frequencies and voltages A starter-generator system is configured to be operable at multiple variable frequencies. The starter-generator includes a rotor and a stator. The rotor is configured to rotate and has a single main field winding wound thereon. The stator has at least a first stator... | 06/17/2008 |
| 7365443 | Generator start/stop controller A method and apparatus is disclosed for starting and stopping a generator set that supplies power to a refrigeration system. An ambient temperature sensor is used rather than an in-box sensor in addition to a programmed microprocessor to regulate the operation of th... | 04/29/2008 |
| 7362001 | Generator-motor A generator-motor includes a control circuit. The control circuit is provided on an end surface of a motor. The control circuit includes a Zener diode, a capacitor, a U-phase arm, a V-phase arm, and a W-phase arm. The Zener diode, the capacitor, the U-phase arm, the... | 04/22/2008 |
| 7362002 | Automotive starter generator apparatus An automotive staffer generator apparatus that is inexpensive and compact, enabling engine starting functions and generating functions to be made compatible by improving maximum torque without having to increase the number of turns in an armature winding. An automot... | 04/22/2008 |
| 7363122 | Method for controlling a hybrid drive of a vehicle A method for controlling a hybrid drive of a vehicle, the hybrid drive including an internal combustion engine and at least one electric machine as the drive motors, and the output shafts of the drive motors being operatively connectable to a drive train of the vehi... | 04/22/2008 |
| 7342382 | Method of determining transition from starter to alternator function by monitoring battery voltage or current The present invention is directed to determining and controlling the appropriate moment at which a combined starter/alternator should transition from start-up mode to alternator/generator mode following an IC engine start-up sequence. The method relies on battery vo... | 03/11/2008 |
| 7339294 | Vehicular starting and charging rotary electric machine A vehicular starting and charging rotary electric machine includes a rotor, a stator, brackets, a brush, and a rotation detection sensor. The rotor has a field winding. The stator has a stator winding. The brackets supports the rotor and the stator. One end of the b... | 03/04/2008 |
| 7319306 | Supercapacitor engine starting system with charge hysteresis An internal combustion motor assembly, including an internal combustion motor, a starter and a battery. In addition, the motor assembly includes a capacitor assembly, a capacitor charging assembly and a conductive network, logic and controlled switching assembly ada... | 01/15/2008 |
| 7312550 | Architecture for electric machine In one aspect, an alternator is described which includes a current control apparatus including a stator winding and a control winding, wherein current control in the control winding regulates the stator winding. In another aspect, a gas turbine engine includes a mul... | 12/25/2007 |
| 7301245 | Control system for a vehicle power supply and control method thereof A control system for a vehicle power supply for supplying power to a predetermined power receiving portion includes a first power generating power supply portion, second power generating power supply portion, and controller. The controller is arranged to set the vol... | 11/27/2007 |
| 7301311 | Brushless starter-generator with independently controllable exciter field A starter-generator system supplies a controllable torque to a gas turbine engine, to thereby assist in starting the gas turbine engine, by independently controlling excitation frequency and/or voltage magnitude. The starter-generator includes a multi-phase exciter ... | 11/27/2007 |
| 7294949 | Single-phase induction motor A single-phase induction motor comprises a stator having a stator coil; an induction cage rotor rotatably inserted into a receiving groove of the stator, having a rotation shaft at a center thereof, having a plurality of first conductor bars at an outer peripheral p... | 11/13/2007 |
| 7292012 | Control method of generator When drive control of a generator is performed, PWM control of a switching circuit comprising an FET and a diode connected to the opposite ends of a winding is performed. In the vicinity of a moment in time Lmax where the winding has a maximum inductance L, an alter... | 11/06/2007 |
| 7288923 | Voltage-limited electric machine An electric alternator having a rotor, stator and at least one winding in the stator adapted to conduct a current, the machine also having and first and second magnetic circuits around different portions of the winding which may be configured relative to one another... | 10/30/2007 |
| 7276804 | Voltage regulator with improved protection and warning system This invention discloses a vehicle electrical system voltage regulator with improved electrical protection and warning means that discerns and responds to regulator, generator, or vehicle electrical system operation and malfunctions. The regulator includes monitorin... | 10/02/2007 |
| 7268441 | Control device for motor generator In the control device for motor generator in which an engine is started and power generation is performed while a vehicle is running, a field current limit value Ifm in electric driving to start the engine is larger than a field current limit value Ifg in power gene... | 09/11/2007 |
| 7268522 | Excitation control for wound field synchronous dynamoelectric machines A wound field synchronous (WFS) dynamoelectric machine comprises: a rotor assembly; an exciter generator section comprising a stationary multiphase exciter stator winding for receiving excitation power from a multiphase alternating current (AC) source to generate an... | 09/11/2007 |
| 7265463 | Rotary electric apparatus with high cooling performance A rotary electric apparatus, such as on-vehicle three-phase AC generator (i.e., alternator) comprises a main rotary unit, a semiconductor power converter, and an air cooling mechanism. The main rotary unit is provided with a rotor and an armature disposed as a stato... | 09/04/2007 |
| 7263959 | Control apparatus of internal combustion engine At a time of stopping an internal combustion engine, inertia energy of the engine is kept constant, for example, by controlling a number of engine revolution constant, while controlling combustion of the engine. By utilizing the controlled inertia energy, the engine... | 09/04/2007 |
| 7263432 | Method and device for detecting the electrical position of an electrical machine rotor A method of detecting an angular position of a rotor of an electrical machine includes determining a rotor position for the electrical machine using data obtained from a first data source, determining a rotor position for the electrical machine using data obtained f... | 08/28/2007 |
| 7258183 | Stabilized electric distribution system for use with a vehicle having electric assist A stabilized electric distribution system for use in a vehicle having electric assist. The system electrically couples an electric assist bus to an accessory load bus while protecting the first electrical bus from electric assist and regenerative braking induced vol... | 08/21/2007 |
| 7253535 | Electrical starter generator system for a gas turbine engine A starting system and method for a gas turbine engine applies a change in conventional starter generator torque profiles near the conclusion of the start cycle after the engine self sustaining speed and just prior to starter generator cut-out. By decreasing the appl... | 08/07/2007 |
| 7252165 | Hybrid electric vehicle A hybrid electric propulsion system for powering a vehicle using a natural fuel engine and an electric motor. The hybrid electric vehicle is comprised of a drive train; an electric motor for driving the drive train; an auxiliary power unit (APU); an electric energy ... | 08/07/2007 |
| 7250688 | Narrow range variable frequency starter/generator system A starter/generator system for a gas turbine engine used in aeronautical applications that couples a single dynamoelectric machine to the gas turbine engine through a torque converter in a starting mode, and engages the engine to the dynamoelectric machine through a... | 07/31/2007 |
